4243278 has 16 divisors (see below), whose sum is σ = 9139536. Its totient is φ = 1305600.

The previous prime is 4243243. The next prime is 4243279. The reversal of 4243278 is 8723424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27123 + ... + 27278.

It is an arithmetic number, because the mean of its divisors is an integer number (571221).

Almost surely, 2^4243278 is an apocalyptic number.

4243278 is an abundant number, since it is smaller than the sum of its proper divisors (4896258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4243278 is a wasteful number, since it uses less digits than its factorization.

4243278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54419.

The product of its digits is 10752, while the sum is 30.

The square root of 4243278 is about 2059.9218431776. The cubic root of 4243278 is about 161.8951462928.

The spelling of 4243278 in words is "four million, two hundred forty-three thousand, two hundred seventy-eight".